In one work he claimed that the problem with philosophy was the attempt by philosophers to divroce language from its context. That work, the Blue Book, served as notes for another work which considered the thought experiment of a "beetle in a box" and another concerning a "duckrabbit" to investigate the possibility of (*) private language. His most famous work is a series of logical propositions that build upon themselves, ending with "Of what we cannot speak, we must pass over in silence," and beginning with "the world is everything that is the case." For 10 points, name this German-British ordinary language philosopher, a logical positivist who wrote Philosophical 
In one work he claimed that the problem with philosophy was the attempt by philosophers to divroce language from its context. That work, the Blue Book, served as notes for another work which considered the thought experiment of a "beetle in a box" and another concerning a "duckrabbit" to investigate the possibility of (*) private language. His most famous work is a series of logical propositions that build upon themselves, ending with "Of what we cannot speak, we must pass over in silence," and beginning with "the world is everything that is the case." For 10 points, name this German-British ordinary language philosopher, a logical positivist who wrote Philosophical Investigations and Tractatus Logico-Philosophicus.
In one work he claimed that the problem with philosophy was the attempt by philosophers to divroce language from its context.
Ludwig {Wittgenstein}